What are the top 5 newest ballparks?
In order of the year that they were opened...
2010-Target Field-Home of the Minnesota Twins
2009-The New Yankee Stadium-Home of the New York Yankees
2009-Citi Field-Home of the New York Mets
2008-Nationals Park-Home of the Washington Nationals
2006-Busch Stadium-Home of the Saint Louis Cardinals
The new home for the soon-to-be-named Miami Marlins will be completed for the 2012 season.